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Physician Profile

John A. Walker, MD

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At a glance

About Dr. Walker

John A. Walker, MD is a healthcare provider in Modesto, CA specializing in internal medicine. This provider record is associated with NPI 1285714386.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 64249CurrentExpires Dec 2027Since 1988
NPINational Provider Identifier
1285714386Issued 2006

Snapshot · verify with the board ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Dr. Walker's specialty?

Dr. Walker is an internist in Modesto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Dr. Walker?

Dr. Walker is listed at 820 Scenic Dr, Modesto, CA 95350. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Walker?

The number on file is (209) 558-8804. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Walker's NPI number?

Dr. Walker's National Provider Identifier is 1285714386. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Dr. Walker been practicing?

Dr. Walker has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Walker confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.

Guide.md

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